Cooling of high speed electromagnetic rotor with fixed...

Details Cooling of high speed electromagnetic rotor with fixed... Cooling of high speed electromagnetic rotor with fixed...

2006-01-03

2006-01-03

Schuberg, Darren (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S058000, C310S059000, C310S052000, C310S270000

Reexamination Certificate

active

06982506

ABSTRACT:
A rotary electric machine assembly includes a stator and a shaft including a hollow core. Mounted onto the shaft is an inner-flanged band with an inner hub, a first flange and a first containment band. An outer-flanged band includes an outer hub that nests over the inner hub and defines a coolant passage therebetween. The outer-flanged band includes a second flange and a second containment band. A rotor core is disposed within a space between the first and second flanges. Coolant flowing through the coolant passage absorbs heat from the rotor core. The rotor core includes windings having end portions. The first and second containment flanges radially support the end portions of the windings.

REFERENCES:
patent: 3772543 (1973-11-01), Woodson
patent: 6260667 (2001-07-01), Sugden
patent: 6727609 (2004-04-01), Johnsen
patent: 6791230 (2004-09-01), Tornquist et al.

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